An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines (such as steam engines) burn a fuel to create heat, which then creates motion.

The Citroën DS5 is a compact executive car by French automaker Citroën that was launched for the European market in November 2011. It is the third model in the new premium (Luxury vehicle) sub-brand DS and runs alongside its mainstream cars.

The Audi TT is a small two-door sports car marketed by Volkswagen Group subsidiary Audi since 1998, both assembled by the Audi subsidiary Audi Hungaria Motor Kft. in Győr, Hungary, using bodyshells manufactured and painted at Audi's Ingolstadt plant.

Autumn, sometimes known as fall in the US and Canada, is one of the four temperate seasons. Autumn marks the transition from summer into winter, in September (Northern Hemisphere) or March (Southern Hemisphere) when the arrival of night becomes noticeably earlier.